/**
 * Created by Administrator on 2017/5/12.
 */
$(document).ready(function () {
    var $execrpt = $('#excerpt');
    var value = $execrpt.text();
    $execrpt.click(function () {
        if ($(this).find('b').length > 0) {
            $(this).html(value);
        } else {
            $(this).wrapInner('<b></b>');
        }
    });
});